ICS9248-189 Datasheet PDF - Integrated Circuit Systems AMD - K7™ Clock Generator for Mobile System Specs

ICS9248-189 - AMD - K7™ Clock Generator for Mobile System

Datasheet Summary

Description

The ICS9248-189 is a main clock synthesizer chip for AMD-K7 based note book systems with VIA style chipset.

This provides all clocks required for such a system.

Spread spectrum may be enabled through I2C programming.

Features

1 - Differential pair open drain CPU clocks.
1 - CPU clock @ 3.3V.
7 - SDRAM @ 3.3V.
8 - PCI @ 3.3V,.
1 - 48MHz, @ 3.3V fixed.
1 - 24/48MHz @ 3.3V.
3 - REF @ 3.3V, 14.318MHz. Features:.
Up to 166MHz frequency support.
Support power management via hardware select CPU stop, CLOCK stop, PCI stop, and SDRAM stop.
Support power management via I2C programing.
Spread spectrum for EMI control (± 0.25% to.

Datasheet Details

Part number	ICS9248-189
Manufacturer	Integrated Circuit Systems
File Size	236.96 KB
Description	AMD - K7™ Clock Generator for Mobile System
Datasheet	ICS9248-189 Datasheet
Additional preview pages of the ICS9248-189 datasheet.

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Full PDF Text Transcription

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Integrated Circuit Systems, Inc. ICS9248-189 Advance Information AMD - K7™ Clock Generator for Mobile System Recommended Application: VIA K7/KN/KX-133 style chipset Output Features: • 1 - Differential pair open drain CPU clocks • 1 - CPU clock @ 3.3V • 7 - SDRAM @ 3.3V • 8 - PCI @ 3.3V, • 1 - 48MHz, @ 3.3V fixed • 1 - 24/48MHz @ 3.3V • 3 - REF @ 3.3V, 14.318MHz. Features: • Up to 166MHz frequency support • Support power management via hardware select CPU stop, CLOCK stop, PCI stop, and SDRAM stop • Support power management via I2C programing • Spread spectrum for EMI control (± 0.25% to ± 0.06% center, or 0 to -0.5% or -1.0% down spread) • Uses external 14.

Published: Apr 16, 2005 |